Search Results for author: Jonathan Shock

Found 6 papers, 3 papers with code

Causal Multi-Agent Reinforcement Learning: Review and Open Problems

no code implementations12 Nov 2021 St John Grimbly, Jonathan Shock, Arnu Pretorius

This paper serves to introduce the reader to the field of multi-agent reinforcement learning (MARL) and its intersection with methods from the study of causality.

Multi-agent Reinforcement Learning reinforcement-learning +1

Brain Structural Saliency Over The Ages

no code implementations12 Jan 2022 Daniel Taylor, Jonathan Shock, Deshendran Moodley, Jonathan Ipser, Matthias Treder

Brain Age (BA) estimation via Deep Learning has become a strong and reliable bio-marker for brain health, but the black-box nature of Neural Networks does not easily allow insight into the features of brain ageing. We trained a ResNet model as a BA regressor on T1 structural MRI volumes from a small cross-sectional cohort of 524 individuals.

Off-the-Grid MARL: Datasets with Baselines for Offline Multi-Agent Reinforcement Learning

2 code implementations1 Feb 2023 Claude Formanek, Asad Jeewa, Jonathan Shock, Arnu Pretorius

However, offline MARL is still in its infancy and therefore lacks standardised benchmark datasets and baselines typically found in more mature subfields of reinforcement learning (RL).

Multi-agent Reinforcement Learning reinforcement-learning +1

Reduce, Reuse, Recycle: Selective Reincarnation in Multi-Agent Reinforcement Learning

1 code implementation31 Mar 2023 Claude Formanek, Callum Rhys Tilbury, Jonathan Shock, Kale-ab Tessera, Arnu Pretorius

'Reincarnation' in reinforcement learning has been proposed as a formalisation of reusing prior computation from past experiments when training an agent in an environment.

Multi-agent Reinforcement Learning reinforcement-learning

A Sequence Modelling Approach to Question Answering in Text-Based Games

no code implementations NAACL (Wordplay) 2022 Gregory Furman, Edan Toledo, Jonathan Shock, Jan Buys

Interactive Question Answering (IQA) requires an intelligent agent to interact with a dynamic environment in order to gather information necessary to answer a question.

Question Answering text-based games

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